61151055656 has 16 divisors (see below), whose sum is σ = 114662571840. Its totient is φ = 30574369840.

The previous prime is 61151055617. The next prime is 61151055661. The reversal of 61151055656 is 65655015116.

61151055656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105041 + ... + 365151.

It is an arithmetic number, because the mean of its divisors is an integer number (7166410740).

Almost surely, 2^61151055656 is an apocalyptic number.

It is an amenable number.

61151055656 is a deficient number, since it is larger than the sum of its proper divisors (53511516184).

61151055656 is a wasteful number, since it uses less digits than its factorization.

61151055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289504 (or 289500 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 61151055656 in words is "sixty-one billion, one hundred fifty-one million, fifty-five thousand, six hundred fifty-six".